.navBar {
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: #54dead;
  padding: 0 100px;
  color: #413e3e;
  font-size: 25px;
  box-sizing: border-box;
  position: fixed;
  left: 0;
  top: 0;
  .left_title {
      float: left;
  }
  .right_msg {
     float: right;
     cursor: pointer;
     user-select: none;
     font-size: 18px;
     span {
       margin: 0 15px;
     }
     img {
       width: 35px;
       border-radius: 50%;
     }
     .time {
       color: #413e3e;
     }
  }
}
.mainBody {

 width: 100%;
 color: #fff;
 .leftaside {
    width: 220px;
    height: 100%;
    background: linear-gradient(to bottom, #2c3e50 0%, #3498db 100%);
    position: fixed;
    left: 0;
    top: 60px;

    .userMesg {
       text-align: center;
       img {
          width: 80px;
          border: 5px solid #bfa742;
          display: block;
          margin: 10px auto;
       }
    }

    .list {
       margin-top: 15px;
       li {
          span {
             padding:0  10px;
             border-left: 4px solid transparent;
             height: 40px;
             line-height: 40px;
             display: block;
             user-select: none;
             &:hover {
                background-color: rgba(255,255,255,0.2);
                cursor:pointer;
                border-left: 4px solid #2fb9d4;
             }
             i {
                 margin-right: 10px;
             }
             em {
                line-height: 40px;
                margin-top: 20px;
             }
          }
          span.active {
             background-color: rgba(255,255,255,0.2);
             cursor:pointer;
             border-left: 4px solid #2fb9d4;
          }
          .content {
              height: 0;
              overflow: hidden;
          }
          .item {
              padding-left: 30px;
              height: 40px;
              line-height: 40px;
              display: block;
              color: #fff;
              &:hover {
                 color: #2fb9d4;
                 cursor: pointer;
                 text-decoration: none;
              }
          }
       }
    }
 }
 .rightMain {
    position: fixed;
    left: 220px;
    top: 60px;
    bottom: 0;
    right: 0;
    box-sizing: border-box;
    .mainBox {
        width: 100%;
        height: 100%;
        border: 0 none;
        outline: none;
    }
 }
}